[quake3-bugzilla] [Bug 4226] New: x86_64 JIT compiler optimizations

bugzilla-daemon at icculus.org bugzilla-daemon at icculus.org
Thu Jul 2 10:46:25 EDT 2009


http://bugzilla.icculus.org/show_bug.cgi?id=4226

           Summary: x86_64 JIT compiler optimizations
           Product: ioquake3
           Version: SVN HEAD
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P3
         Component: Platform
        AssignedTo: zakk at icculus.org
        ReportedBy: amanieu at gmail.com
         QAContact: quake3-bugzilla at icculus.org


The x86_64 qvm JIT compiler is very slow, often taking around 5 seconds to
compile a qvm. This patch caches compiled vms so that a recompile is not
necessary when the same qvm is reloaded. I also disabled a debug #ifdef which
causes unnecessary instructions to be emitted.

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